<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>table的表格合并</title>
</head>
<body>
    <table align="center" border="1" width="600"  height="400" cellspacing="0">
        <tr>
            <td colspan="2">12</td>
            <td rowspan="2">36</td>
        </tr>
        <tr>
            <td>4</td>
            <td>5</td>
        </tr>
    </table>
</body>
</html>